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3 years ago

11

markers are sold in boxes, packs, or as single markers. each box has 10 packs. each pack has 10 markers. draw pictures to show t

wo ways to buy 276 markers.

1 answer:

kvv77 [185]3 years ago

3 0

Well if packs and boxes cost the same then you can get either one 27 times: 27 * 10 = 270. Then you can get 6 singles to equal 276.

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When you expand 2 (6x + 12), you get an answer of 12x + 24. How many other ways can

nlexa [21]

Answer:

3(4x+8) or 4(3x+6) or 12(x+2)

Step-by-step explanation:

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3 years ago

Write a division expression that matches the situation.

Lemur [1.5K]

half a yard of ribbon divided by seven i think

7 0

3 years ago

Read 2 more answers

Please help me with this question

jok3333 [9.3K]

9514 1404 393

Answer:

-3/8 × (first term)

Step-by-step explanation:

The general term of an arithmetic sequence is ...

an = a1 +d(n -1)

Then the ratio of interest is ...

(7th term)/(9th term) = 5/8

(a1 +6d)/(a1 +8d) = 5/8

Multiplying by 8(a1 +8d) we get ...

8(a1 +6d) = 5(a1 +8d)

8a1 +48d = 5a1 +40d . . . . . . eliminate parentheses

8d = -3a1 . . . . . . . . . . . . . . subtract 40d+8a1

d = (-3/8)a1 . . . . . . . . . . divide by 8 to find the common difference

The common difference is -3/8 times the first term.

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<u>Example</u>

Let the first term be -16. Then the common difference is (-3/8)(-16) = 6. The first 9 terms of the sequence are ...

-16, -10, -4, 2, 8, 14, 20, 26, 32

The ratio of the 7th and 9th terms is ...

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In the general case, the ratio of terms would be ...

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3 years ago

Ater the expression<br> (X^8)^3/4 issimplified as much as possible, x is raised to what exponent?

defon

Answer:

Step-by-step explanation:

I believe this is what you're saying you have:

$(x^8)^{\frac{3}{4}}$

which is a power to power issue. You simplify by multiplying the powers together. 8 * 3/4 multiplies to 24/4 which is 6.

$x^6$ is the simplified version of that

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3 years ago

What are the values the values of a and b?

Setler [38]

The segment marked 20 is the geometric mean of the two pieces into which it splits the hypotenuse. You get the proportion

$\frac{20}{a} = \frac{21}{20}$

Solving,

$21a =(20)(20) \\ 21a = 400 \\ a = \frac{400}{21}$

To find b, use the fact that b is the geometric mean of the whole hypotenuse, 21 + a, and the part that is attached to it, a.

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A little arithmetic shows that $21+a = \frac{841}{21}$ .

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4 0

4 years ago